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Atomic Structure
Electrons in Atoms
Periodic Table
Ionic & Metallic Bonding
100
Smallest particle of an element.
What is an atom?
100
______ proposed that an electron is found only in specific cicular paths/orbits.
Who is Neils Bohr?
100
The 3 classes of elements.
What are Metals, Nonmetals and Metalloids?
100
The diagram that shows valence electrons as dots.
What is Electron Dot Structure?
200
This man developed the gold-foil experiment.
Who is Thomas Rutherford?
200
The fixed energies that an electron can have.
What are energy levels?
200
The energy required to move an electron from an atom.
What is Ionization Energy?
200
Most ionic compounds are _____ at room temperature.
What are Solids?
300
This theory resulted by using experimental methods.
What is Dalton's Atomic Theory?
300
3 rules that govern electron configuration.
What is Aufbau Principle, Pauli Exclusion Principle and Hund's Rule?
300
Group 1A through 7A are known as:
What are Representative Elements?
300
Composed of cations and anions.
What is Ionic Compounds?
400
3 kinds of subatomic particles.
What are electrons, protons and neutrons?
400
The amount of energy required to move an electron from one energy level to another.
What is a Quantum?
400
This chemist/teacher arranged the elements in his periodic table in order of increasing atomic mass.
Who is Mendeleev?
400
____ _______ can conduct an electric current when melted or dissolved in water.
What is Ionic Compounds?
500
This makes elements different from one another.
What are the number of protons?
500
This model determines the allowed energy that an electron can have and how likely it is to find the electron in various locations.
What is the Quantum Mechanical Model?
500
The 4 elements known as transition metals.
What is copper, silver, gold and iron?
500
Ions that are produced when ions of chlorine and other halogens gain electrons.
What are Halide Ions?